Acer Power ST Aspire T300 Service Guide - Page 72

Jumper Settings Jumper Type Description JP1 3-pin Clear CMOS Setting (default) 1-2: Normal 2-3: Clear JP1 1 JP3 3-pin BIOS protect 1-2: Write Protect Disabled 2-3: Write Protect Enabled JP3 1 Jumper 1 - Jumper 3 - Enables you to clear the BIOS. Follow these instructions: 1. Turn the system off. 2. Short pins 2 and 3 on jumper 1. 3. Return the jumper to the normal setting. 4. Turn the system on. The BIOS is returned to the default settings. Enables you to prevent the BIOS from being updated (flashed). Set the jumper to disabled if you are going to update your BIOS. After updating the BIOS, return it to the default setting (Enabled). 66 Chapter 5